2018
DOI: 10.1103/physrevapplied.10.034031
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Multicolor Terahertz Frequency Mixer Using Multibunching of Free-Electron Beams

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Cited by 19 publications
(7 citation statements)
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“…Similarly, the vortex beam of TC = −2 will be generated at fS3 = 0.487 THz. However, since the intensity of the second wave harmonic S2 is much stronger than that of the third wave harmonic S3 [43], the second harmonic vortex radiation at fS2 is dominant, which agrees well with the frequency spectrum of Ez shown in the right inset of Fig. 3(b).…”
Section: Vortex Beam Emitter Based On Ssprsupporting
confidence: 84%
“…Similarly, the vortex beam of TC = −2 will be generated at fS3 = 0.487 THz. However, since the intensity of the second wave harmonic S2 is much stronger than that of the third wave harmonic S3 [43], the second harmonic vortex radiation at fS2 is dominant, which agrees well with the frequency spectrum of Ez shown in the right inset of Fig. 3(b).…”
Section: Vortex Beam Emitter Based On Ssprsupporting
confidence: 84%
“…Since the intensity of the fundamental space harmonics is the highest, only the modes normalM|m|±${\mathop{\rm M}\nolimits} _{| m |}^ \pm $ within 0<(L/2π)·kz0<2$0 &lt; ( {L/2\pi } ) \cdot k_z^0 &lt; 2$ will be discussed. [ 41,42 ]…”
Section: Resultsmentioning
confidence: 99%
“…Since the intensity of the fundamental space harmonics is the highest, only the modes M ± |m| within 0 < (L∕2𝜋) ⋅ k 0 z < 2 will be discussed. [41,42] Before verifying the above discussion, there is one more thing that affects the operating properties, namely the rotational symmetry. In the study of conventional slow-wave devices, the spatial distribution of the e-beam in the propagation direction has received more attention, while its lateral effects on the interacting system have been rarely explored, especially the lateral rotational symmetry.…”
Section: Concept Of Chiral Spoof Surface Plasmonmentioning
confidence: 97%
“…According to previous analysis of the paper, we have achieved two degrees of radiation coherence: the first is obtained by letting the phase difference within the DNRG-cluster to be much less than unit (∆ ≪ 1); the other is by letting ∆ = 2pπ. In practice, we can use a train of well micro-bunched electron beam, which can be achieved by self-bunching of an dc beam [26,27] or prebunched beam from the photocathode [28,29], to interact with the proposed grating model. By letting the prebunching frequency to be close to one of the resonant frequency, the enhanced coherent radiation will be achieved as that in [29].…”
Section: Discussionmentioning
confidence: 99%